Masahiro Tanaka
E369057
Masahiro Tanaka is a Japanese professional baseball pitcher best known for his dominant career with the Tohoku Rakuten Golden Eagles and the New York Yankees, as well as his key performances in international competition.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Masahiro Tanaka canonical | 4 |
| 田中将大 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3561483 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Masahiro Tanaka Context triple: [Japan national baseball team, famousPlayer, Masahiro Tanaka]
-
A.
Koji Uehara
Koji Uehara is a Japanese former professional baseball pitcher best known as an elite closer in Major League Baseball, particularly for his dominant postseason performance with the Boston Red Sox.
-
B.
Tiger Tanaka
Tiger Tanaka is the head of the Japanese Secret Service and a key ally to James Bond in the film and novel "You Only Live Twice."
-
C.
Min Tanaka
Min Tanaka is a renowned Japanese dancer and actor known for his avant-garde butoh performances and roles in international films.
-
D.
Yoshinobu Yamamoto
Yoshinobu Yamamoto is an elite Japanese right-handed pitcher, renowned for his dominant performances in Nippon Professional Baseball and subsequent move to Major League Baseball.
-
E.
Shohei Ohtani
Shohei Ohtani is a Japanese two-way baseball superstar renowned for his elite pitching and hitting in Major League Baseball and on the international stage.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Masahiro Tanaka Target entity description: Masahiro Tanaka is a Japanese professional baseball pitcher best known for his dominant career with the Tohoku Rakuten Golden Eagles and the New York Yankees, as well as his key performances in international competition.
-
A.
Koji Uehara
Koji Uehara is a Japanese former professional baseball pitcher best known as an elite closer in Major League Baseball, particularly for his dominant postseason performance with the Boston Red Sox.
-
B.
Tiger Tanaka
Tiger Tanaka is the head of the Japanese Secret Service and a key ally to James Bond in the film and novel "You Only Live Twice."
-
C.
Min Tanaka
Min Tanaka is a renowned Japanese dancer and actor known for his avant-garde butoh performances and roles in international films.
-
D.
Yoshinobu Yamamoto
Yoshinobu Yamamoto is an elite Japanese right-handed pitcher, renowned for his dominant performances in Nippon Professional Baseball and subsequent move to Major League Baseball.
-
E.
Shohei Ohtani
Shohei Ohtani is a Japanese two-way baseball superstar renowned for his elite pitching and hitting in Major League Baseball and on the international stage.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
baseball pitcher
ⓘ
human ⓘ professional baseball player ⓘ |
| bats | right ⓘ |
| countryForSports | Japan ⓘ |
| countryOfCitizenship | Japan ⓘ |
| familyName | Tanaka NERFINISHED ⓘ |
| fieldOfWork | professional sports ⓘ |
| genre | professional baseball ⓘ |
| givenName | Masahiro ⓘ |
| hasAchievement |
long winning streak in NPB
ⓘ
successful transition from NPB to MLB ⓘ |
| hasRole | ace pitcher ⓘ |
| hasSkill |
control pitching
ⓘ
pitching ⓘ split-finger fastball ⓘ |
| hasWon |
Japan Series
ⓘ
surface form:
Japan Series championship
MLB All-Star ⓘ
surface form:
Major League Baseball All-Star selection
Nippon Professional Baseball awards ⓘ |
| isFrom | Japan national baseball system ⓘ |
| languageOfWorkOrName | Japanese ⓘ |
| league |
Major League Baseball
ⓘ
Nippon Professional Baseball ⓘ |
| memberOfSportsTeam |
New York Yankees
ⓘ
Tohoku Rakuten Golden Eagles ⓘ |
| name | Masahiro Tanaka self-link ⓘ |
| nativeName |
Masahiro Tanaka
self-linksurface differs
ⓘ
surface form:
田中将大
|
| notableFor |
dominant pitching with Tohoku Rakuten Golden Eagles
ⓘ
key performances in international competition for Japan national baseball team ⓘ pitching career with New York Yankees ⓘ |
| notableWork |
championship season with Tohoku Rakuten Golden Eagles
ⓘ
postseason performances with New York Yankees ⓘ |
| occupation |
baseball pitcher
ⓘ
professional athlete ⓘ |
| participatedIn |
MLB playoffs
ⓘ
surface form:
Major League Baseball postseason
Nippon Professional Baseball ⓘ
surface form:
Nippon Professional Baseball postseason
Olympic Games ⓘ World Baseball Classic ⓘ |
| positionPlayed | pitcher ⓘ |
| representedBy | Japan national baseball team ⓘ |
| residence | Japan ⓘ |
| sexOrGender | male ⓘ |
| sport | baseball ⓘ |
| sportDiscipline | starting pitcher ⓘ |
| teamNumber |
19 (New York Yankees)
ⓘ
19 (Tohoku Rakuten Golden Eagles) ⓘ |
| throws | right ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Masahiro Tanaka Description of subject: Masahiro Tanaka is a Japanese professional baseball pitcher best known for his dominant career with the Tohoku Rakuten Golden Eagles and the New York Yankees, as well as his key performances in international competition.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
田中将大